24-Hour Daily Average

{
  "id": "MLC-T-ENV-000039",
  "term": "24-Hour Daily Average",
  "field": "Environment",
  "definition": "1. Either the arithmetic mean or geometric mean (as specified) of all hourly emission concentrations when the affected facility is operating and combusting municipal solid waste measured over a 24-hour period between 12:00 midnight and the following midnight.\n\n2. The arithmetic or geometric mean (as specified in § 60.58a (e), (g), or (h) as applicable) of all hourly emission rates when the affected facility is operating and firing MSW measured over a 24-hour period between 12 midnight and the following midnight.\n\n3. Either the arithmetic mean or geometric mean (as specified) of all hourly emission concentrations when the municipal waste combustion unit operates and combusts municipal solid waste measured during the 24 hours between 12:00 midnight and the following midnight.",
  "references": [
    "40 CFR 60.51b (CFR 2013)",
    "40 CFR 60.51a (CFR 2013)",
    "40 CFR 62.15410 (CFR 2018)"
  ],
  "url": "https://mlchart.com/terminology/environment/24-hour-daily-average/"
}